Electric heater fan with self-lubricating bearing

Abstract

The utility model relates to the technical field of fan rotating shaft lubrication, and discloses an electric heater fan with a self-lubricating bearing, which comprises a protective shell, the top surface of the protective shell is fixedly connected with an oil inlet component, and the rear side of the protective shell is fixedly connected with a mounting box. According to the electric heater fan with the self-lubricating bearing, through the arrangement of the oil inlet assembly, when oil is fed into the device, the time for opening a switch of an electromagnetic valve and the oil inlet amount are set on a controller, and when the electromagnetic valve is opened, lubricating oil in an oil storage tank falls onto a fan shaft through an oil outlet pipe to lubricate the fan shaft; the flow sensor is used for detecting the oil inlet amount, when the oil inlet amount reaches the set amount, the flow sensor transmits a signal to the controller, and the controller controls the electromagnetic valve to be closed, so that self-lubricating of the fan shaft can be achieved, friction resistance between the bearing and the shaft is reduced, rotation of the fan is smoother, energy loss is reduced, and the service life of the fan is prolonged. The working efficiency of the fan is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fan rotating shaft lubrication technical field especially, it is an electric heater fan with self -lubricating bearing. BACKGROUND

[0002] Electric heater fan as a kind of common heat dissipation equipment, is widely used in many fields.In industrial production, many equipment such as large motor, transformer, switch board etc. will generate a lot of heat in the process of operation, if not timely and effectively dissipate heat, it will lead to equipment temperature too high, and then affect the performance and life of equipment, even cause safety accident.Electric heater fan can quickly take away the heat generated by equipment by forced air flow, ensure that equipment runs stably in suitable temperature environment.

[0003] Traditional electric heater fan usually uses ordinary bearing, in the long-time operation process, the friction between bearing and shaft will be larger, this continuous friction not only will consume energy, reduce the operating efficiency of fan, also will lead to the wear of bearing and shaft aggravate, therefore an electric heater fan with self-lubricating bearing. UTILITY MODEL CONTENTS

[0004] (1) technical problem solved

[0005] The utility model solves the technical problem that the utility model provides an electric heater fan with self-lubricating bearing, which has high practicability and can be operated simply, and the structure is simple, solves the problem that traditional electric heater fan usually uses ordinary bearing, in the long-time operation process, the friction between bearing and shaft will be larger, this continuous friction not only will consume energy, reduce the operating efficiency of fan, also will lead to the wear of bearing and shaft aggravate.

[0006] (2) technical scheme

[0007] To achieve the above object, the utility model discloses the following technical scheme: an electric heater fan with self-lubricating bearing, including the protection shell, the top surface of protection shell is fixedly connected with oil inlet component, the rear side of protection shell is fixedly connected with installation box, the bottom of installation box is provided with noise reduction component, the oil inlet component includes the oil tank that is fixedly connected to the top surface of protection shell, the bottom of oil tank is provided with oil outlet pipe, the outside of oil outlet pipe is provided with electromagnetic valve, one end of electromagnetic valve is electrically connected with controller through power line, one end of controller is electrically connected with flow sensor through power line;The noise reduction component includes the buffer plate setting in the bottom of installation box, the bottom of buffer plate is fixedly connected with several groups of damping hydraulic rod, the outside of several groups of damping hydraulic rod is all sheathed and connected with damping spring.

[0008] As a further scheme of the utility model, both sides of the installation box are fixedly connected with installation plates, the surfaces of the two groups of installation plates are provided with a plurality of groups of threaded holes, the interiors of the plurality of groups of threaded holes are threadedly connected with bolts, and the bolts are arranged to fix the device.

[0009] As a further scheme of the utility model, the bottoms of the plurality of groups of damping springs are fixedly connected with shells, and the buffer plates are slidably connected to the interiors of the shells, the shells are arranged to install damping hydraulic rods and the like.

[0010] As a further scheme of the utility model, a servo motor is arranged in the installation box, one end of the servo motor is fixedly connected with a fan shaft, a plurality of groups of oil inlet holes are formed in the surface of the fan shaft, and the servo motor is arranged to drive the fan shaft to rotate.

[0011] As a further scheme of the utility model, the other end of the protective shell is fixedly connected with a fan shell, and the fan shell is provided with a fan blade, and the fan blade is arranged to enable the device to normally operate.

[0012] As a further scheme of the utility model, the outer side of the fan shell is fixedly connected with a baffle, and the interior of the fan shell is provided with a heating net, and the baffle is arranged to avoid the hands of a user from touching the fan blade.

[0013] As a further scheme of the utility model, the top surface of the oil storage tank is fixedly connected with a flow pipe, and the outer side of the flow pipe is threadedly connected with a sealing cover, and the sealing cover is arranged to avoid the lubricating oil from leaking.

[0014] (Three) beneficial effects

[0015] The utility model provides a kind of electric heater fan with self-lubricating bearing, with following beneficial effects:

[0016] 1, the electric heater fan with self-lubricating bearing, the time of opening electromagnetic valve switch and the amount of oiling are set on controller when oiling device, when electromagnetic valve opens, the lubricating oil in the interior of oil storage tank falls into fan shaft through oil outlet pipe, lubricates fan shaft, flow sensor is used to detect the amount of oiling, when the amount of oiling reaches the amount set, flow sensor passes signal to controller, and controller controls electromagnetic valve to close, so that the self-lubrication of fan shaft can be realized, reduce the frictional resistance between bearing and shaft, make the rotation of fan more smooth, reduce energy loss, improve the working efficiency of fan.

[0017] 2. The electric heater fan with self-lubricating bearings, through the setting of the noise reduction assembly, when in use, the electric motor generates a certain vibration, at this time the buffer plate is used to absorb the generated vibration force, and the force is dispersed to the damping hydraulic rod and the damping spring, the damping hydraulic rod and the damping spring further buffer the vibration force, so as to reduce the noise generated by the vibration, so that the device can keep relatively quiet when running. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0019] Fig. 2 It is the noise reduction assembly structure schematic diagram of the utility model;

[0020] Fig. 3 It is the fan shaft structure schematic diagram of the utility model;

[0021] Fig. 4 It is the oil inlet assembly structure schematic diagram of the utility model.

[0022] In the drawing: 1, protective shell; 2, oil inlet assembly; 201, oil storage tank; 202, oil outlet pipe; 203, electromagnetic valve; 204, controller; 205, flow sensor; 3, mounting box; 4, noise reduction assembly; 401, buffer plate; 402, damping hydraulic rod; 403, damping spring; 5, mounting plate; 6, bolt; 7, shell; 8, servo motor; 9, fan shaft; 10, fan shell; 11, fan blade; 12, baffle; 13, heating net; 14, flow pipe; 15, sealing cover. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the protection scope of the utility model.

[0024] Please refer to Figs. 1 to 4The utility model provides a technical scheme: a kind of electric heater fan with self-lubricating bearing, including protective shell 1, the top surface of protective shell 1 is fixedly connected with oil inlet assembly 2, the setting of oil inlet assembly 2 realizes the self-lubrication of bearing, the rear side of protective shell 1 is fixedly connected with installation box 3, the bottom surface of installation box 3 is provided with noise reduction assembly 4, by the setting of noise reduction assembly 4, so that device keeps certain quiet when operating, oil inlet assembly 2 includes the oil tank 201 of fixed connection in the top surface of protective shell 1, the bottom surface of oil tank 201 is provided with oil outlet pipe 202, the outside of oil outlet pipe 202 is provided with electromagnetic valve 203, one end of electromagnetic valve 203 is electrically connected with controller 204 by power line, one end of controller 204 is electrically connected with flow sensor 205 by power line;Noise reduction assembly 4 includes the buffer plate 401 being arranged in the bottom surface of installation box 3, the bottom surface of buffer plate 401 is fixedly connected with several groups of damping hydraulic rod 402, the outside of several groups of damping hydraulic rod 402 is all sleeved with damping spring 403;

[0025] The both sides of installation box 3 are fixedly connected with mounting plate 5, the surface of two mounting plates 5 is all provided with several groups of threaded holes, the inside of several groups of threaded holes is all threadedly connected with bolt 6, by the setting of bolt 6, it plays the role of fixing device;

[0026] The bottom surface of several groups of damping spring 403 is fixedly connected with shell 7, buffer plate 401 is slidably connected in the inside of shell 7, by the setting of shell 7, it plays the role of installing damping hydraulic rod 402 etc.;

[0027] The inside of installation box 3 is provided with servo motor 8, one end of servo motor 8 is fixedly connected with fan shaft 9, the surface of fan shaft 9 is provided with several groups of oil inlet holes, by the setting of servo motor 8, it plays the role of driving fan shaft 9 to rotate;

[0028] The other end of protective shell 1 is fixedly connected with fan shell 10, the inside of fan shell 10 is provided with fan blade 11, by the setting of fan blade 11, it plays the role of making device can normally operate;

[0029] The outside of fan shell 10 is fixedly connected with baffle 12, the inside of fan shell 10 is provided with heating net 13, by the setting of baffle 12, it plays the role of avoiding user's hand to touch fan blade 11;

[0030] The top surface of oil tank 201 is fixedly connected with flow pipe 14, the outside of flow pipe 14 is threadedly connected with sealing cover 15, by the setting of sealing cover 15, it plays the role of avoiding lubricating oil to leak.

[0031] The model of controller 204 is: PG-R7, the above-mentioned parameter and model can be selected according to actual situation.

[0032] The working steps of the device are as follows:

[0033] The first step is that when the device is filled with oil, the time of opening the electromagnetic valve 203 switch and the amount of oil are set on the controller 204, when the electromagnetic valve 203 is opened, the lubricating oil in the oil tank 201 falls on the fan shaft 9 through the oil outlet pipe 202 to lubricate the fan shaft 9, and the flow sensor 205 is used to detect the amount of oil, when the amount of oil reaches the set amount, the flow sensor 205 transmits a signal to the controller 204, and the controller 204 controls the electromagnetic valve 203 to be closed, so that the self-lubrication of the fan shaft 9 can be realized, the frictional resistance between the bearing and the shaft is reduced, and the rotation of the fan is more smooth;

[0034] The second step is that when in use, the motor generates a certain vibration, at this time the buffer plate 401 is used to absorb the vibration force generated, and the force is dispersed to the damping hydraulic rod 402 and the damping spring 403, the damping hydraulic rod 402 and the damping spring 403 further buffer the vibration force, so that the noise generated by the vibration can be reduced, and the device can be kept relatively quiet during operation.

[0035] It should be noted that the device structure and the drawings of the utility model mainly describe the principle of the utility model, and the setting of the power mechanism, the power supply system and the control system of the device is not completely described in the design principle technology, and under the premise that the above-mentioned principle of the utility model is understood by the person skilled in the art, the specific of the power mechanism, the power supply system and the control system can be clearly known, and the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art;

[0036] The standard parts used therein can be purchased from the market, and can be ordered according to the description and drawings, and the specific connection mode of each part adopts the conventional bolt, rivet, welding and other conventional means in the prior art, the mechanical parts and equipment adopt the conventional type in the prior art, and the components known by the person skilled in the art, the structure and principle thereof are known by the person skilled in the art through technical manual or conventional experimental method.

[0037] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An electric heater fan with a self-lubricating bearing, comprising a protective housing (1), characterized in that: An oil inlet assembly (2) is fixedly connected to the top surface of the protective shell (1), and a mounting box (3) is fixedly connected to the rear side of the protective shell (1). A noise reduction assembly (4) is provided on the bottom surface of the mounting box (3). The oil inlet assembly (2) includes an oil storage tank (201) fixedly connected to the top surface of the protective shell (1). An oil outlet pipe (202) is provided on the bottom surface of the oil storage tank (201). A solenoid valve (203) is provided on the outside of the oil outlet pipe (202). One end of the solenoid valve (203) is electrically connected to a controller (204) via a power line. One end of the controller (204) is electrically connected to a flow sensor (205) via a power line. The noise reduction component (4) includes a buffer plate (401) disposed on the bottom surface of the mounting box (3). Several sets of damping hydraulic rods (402) are fixedly connected to the bottom surface of the buffer plate (401), and damping springs (403) are sleeved on the outer side of each set of damping hydraulic rods (402).

2. The electric heater fan with a self-lubricating bearing according to claim 1, characterized in that: Mounting plates (5) are fixedly connected to both sides of the mounting box (3). Several sets of threaded holes are opened on the surface of both sets of mounting plates (5), and bolts (6) are threadedly connected inside the several sets of threaded holes.

3. The electric heater fan with a self-lubricating bearing according to claim 1, characterized in that: The bottom surface of several sets of damping springs (403) is fixedly connected to the outer shell (7), and the buffer plate (401) is slidably connected to the inside of the outer shell (7).

4. The electric heater fan with a self-lubricating bearing according to claim 1, characterized in that: The mounting box (3) is equipped with a servo motor (8), and one end of the servo motor (8) is fixedly connected to a fan shaft (9). The surface of the fan shaft (9) is provided with several sets of oil inlet holes.

5. An electric heater fan with a self-lubricating bearing according to claim 1, characterized in that: The other end of the protective shell (1) is fixedly connected to a fan shell (10), and the fan shell (10) is provided with fan blades (11).

6. An electric heater fan with a self-lubricating bearing according to claim 5, characterized in that: A baffle (12) is fixedly connected to the outside of the fan housing (10), and a heating mesh (13) is provided inside the fan housing (10).

7. An electric heater fan with a self-lubricating bearing according to claim 1, characterized in that: The top surface of the oil storage tank (201) is fixedly connected to a flow pipe (14), and a sealing cap (15) is threadedly connected to the outside of the flow pipe (14).

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